Question

How do you solve `abs[5-2x] = 41`?

Answer 1

`x \in \{-18, 23\}`.

Explanation:

`abs{5-2x} = 41 \iff 5-2x = 41 or 5-2x = -41`.

In the first case : `-2x = 36 \iff x = -18`.

In the second case : `-2x = -46 \iff x = 23`.